Search for Charged Higgs bosons: Combined Results Using LEP Data

ALEPH Collaboration, DELPHI Collaboration, L3 Collaboration, OPAL Collaboration, The LEP working group for Higgs boson searches

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130 Citations (Scopus)


The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for pair-produced charged Higgs bosons in the framework of Two Higgs Doublet Models (2HDMs). The data of the four experiments have been statistically combined. The results are interpreted within the 2HDM for Type I and Type II benchmark scenarios. No statistically significant excess has been observed when compared to the Standard Model background prediction, and the combined LEP data exclude large regions of the model parameter space. Charged Higgs bosons with mass below 80 (Type II scenario) or 72.5 (Type I scenario, for pseudo-scalar masses above 12 ) are excluded at the 95 % confidence level.
Original languageEnglish
Article number2463
Number of pages9
JournalThe European Physical Journal C
Publication statusPublished - 3 Jul 2013


  • Physics
  • Delphi

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